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net: sched: cls_matchall: no need to call tcf_exts_change for newly allocated struct

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As the head struct was allocated right before mall_set_parms call,
no need to use tcf_exts_change to do atomic change, and we can just
fill-up the unused exts struct directly by tcf_exts_validate.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-08-04 14:29:08 +02:00 committed by David S. Miller
parent 94611bff6e
commit a74cb36980
1 changed files with 2 additions and 12 deletions
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14
net/sched/cls_matchall.c
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@ -120,27 +120,17 @@ static int mall_set_parms(struct net *net, struct tcf_proto *tp,
unsigned long base, struct nlattr **tb,
struct nlattr *est, bool ovr)
{
struct tcf_exts e;
int err;
err = tcf_exts_init(&e, TCA_MATCHALL_ACT, 0);
if (err)
return err;
err = tcf_exts_validate(net, tp, tb, est, &e, ovr);
err = tcf_exts_validate(net, tp, tb, est, &head->exts, ovr);
if (err < 0)
goto errout;
return err;
if (tb[TCA_MATCHALL_CLASSID]) {
head->res.classid = nla_get_u32(tb[TCA_MATCHALL_CLASSID]);
tcf_bind_filter(tp, &head->res, base);
}
tcf_exts_change(tp, &head->exts, &e);
return 0;
errout:
tcf_exts_destroy(&e);
return err;
}
static int mall_change(struct net *net, struct sk_buff *in_skb,